{"product_id":"apex-fnx-45-mag-extension-2","title":"Apex Tactical Specialties FNX 45 Mag Extension +2 – FN FNX-45","description":"\u003cp\u003eThe Apex FNX 45 Mag Extension increases capacity by 2 rounds for FN FNX-45 magazines, bringing standard 15-round magazines to 17 rounds. This extension replaces the factory magazine baseplate while maintaining reliable feeding and a clean profile that doesn't interfere with magazine changes or holster fit.\u003c\/p\u003e\u003cp\u003eMachined from aluminum with a durable anodized finish, this extension installs using the factory magazine spring and follower—no additional parts required. Installation is straightforward: remove the factory baseplate, install the extension, and reassemble. The extension adds minimal length while providing a slightly extended gripping surface for faster reloads.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Magazine Extension\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e FN FNX-45\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity Increase:\u003c\/strong\u003e +2 rounds (15rd to 17rd)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-In (uses factory spring and follower)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Extension baseplate\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Apex Tactical Specialties","offers":[{"title":"Default Title","offer_id":47940658823423,"sku":"APX119-102","price":50.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2854748.jpg?v=1766564851","url":"https:\/\/doublestackstore.com\/products\/apex-fnx-45-mag-extension-2","provider":"Double Stack Store","version":"1.0","type":"link"}